15045315203 has 8 divisors (see below), whose sum is σ = 15158063520. Its totient is φ = 14932609600.

The previous prime is 15045315169. The next prime is 15045315227. The reversal of 15045315203 is 30251354051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15045315203 - 2⁶ = 15045315139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15045315253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220153 + ... + 1232421.

It is an arithmetic number, because the mean of its divisors is an integer number (1894757940).

Almost surely, 2^15045315203 is an apocalyptic number.

15045315203 is a deficient number, since it is larger than the sum of its proper divisors (112748317).

15045315203 is a wasteful number, since it uses less digits than its factorization.

15045315203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21357.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 15045315203 its reverse (30251354051), we get a palindrome (45296669254).

The spelling of 15045315203 in words is "fifteen billion, forty-five million, three hundred fifteen thousand, two hundred three".